trying to lose weight

i weight 215 iv"e been working out at the gym constantly i go to the gym 6 days a week havent lost really any weight i also diet ill give u my daily regiment and see i anyone has any suggestions Monday i do chest and biceps , Tuesday , i do back and triceps , wednesday i do shoulders and legs, friday i do chest and biceps again and saturday i do back and triceps and with every work out i do 110 leg lifts and 110 crunches and 30 minutes on a eliptical trainer on high resistance. my meals usually consist of 3 egg whites with cheese and ham at 8 am twelve i eat a little less than a half pound of ham and cheese with a little mayo and when i get out of the gym at 3 pm i have a isolyze shake that has no fat no carbs and 27 grams of protein and at 6 pm i have usually steak or chicken with vegies